diff options
| author | Chris Lattner <sabre@nondot.org> | 2010-02-12 02:06:33 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2010-02-12 02:06:33 +0000 |
| commit | 0d8db8e0a8492ab2d4bef725ec61b519471b97ec (patch) | |
| tree | 9d2c9fbec8146b59e567d1eb2d77388f611911d3 /lib/Target/X86/X86CodeEmitter.cpp | |
| parent | e79562dce009b2815d4378378394f18476fd4761 (diff) | |
add a bunch of mod/rm encoding types for fixed mod/rm bytes.
This will work better for the disassembler for modeling things
like lfence/monitor/vmcall etc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95960 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/X86/X86CodeEmitter.cpp')
| -rw-r--r-- | lib/Target/X86/X86CodeEmitter.cpp | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/lib/Target/X86/X86CodeEmitter.cpp b/lib/Target/X86/X86CodeEmitter.cpp index 6d5fa8da0d..02fa8ac716 100644 --- a/lib/Target/X86/X86CodeEmitter.cpp +++ b/lib/Target/X86/X86CodeEmitter.cpp @@ -858,6 +858,27 @@ void Emitter<CodeEmitter>::emitInstruction(const MachineInstr &MI, getX86RegNum(MI.getOperand(CurOp).getReg())); ++CurOp; break; + + case X86II::MRM_C1: + MCE.emitByte(BaseOpcode); + MCE.emitByte(0xC1); + break; + case X86II::MRM_C8: + MCE.emitByte(BaseOpcode); + MCE.emitByte(0xC8); + break; + case X86II::MRM_C9: + MCE.emitByte(BaseOpcode); + MCE.emitByte(0xC9); + break; + case X86II::MRM_E8: + MCE.emitByte(BaseOpcode); + MCE.emitByte(0xE8); + break; + case X86II::MRM_F0: + MCE.emitByte(BaseOpcode); + MCE.emitByte(0xF0); + break; } if (!Desc->isVariadic() && CurOp != NumOps) { |